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<title>EXCEL DATA FILE FORMAT</title>
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<span lang="EN-GB" style="font-family: Times New Roman; ">EXCEL 
DATA FILE FORMAT</span></b></h3>
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<span lang="EN-GB" style="font-family: Times New Roman">Microsoft Excel is a 
spreadsheet program written and distributed by Microsoft. It is currently the 
most widely used spreadsheet for operative systems Microsoft Windows and Apple 
Macintosh. It is integrated as part of Microsoft Office.</span></p>
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<span lang="EN-GB" style="font-family: Times New Roman">A spreadsheet is a 
program that allows you to manipulate numerical and alphanumeric data. 
Spreadsheets are arranged in rows and columns. The intersection of a row/column 
is called cell</span></p>
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<span lang="EN-GB" style="font-family: Times New Roman; color: black">Each cell 
can contain data or a formula that can refer to the contents of other cells. A 
spreadsheet contains 256 columns, which are labelled with letters (from A to IV) 
and the rows with numbers (from 1 to 65.536), making a total of 16.777.216 cells 
by spreadsheet. <br>
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Because of the versatility of modern spreadsheets, they are used to sometimes to 
make smaller databases, reports, and other uses. </span></p>
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Microsoft Excel format has extension&nbsp; &quot;.xls&quot;.</span></p>
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<span lang="EN-GB" style="font-family: Times New Roman; color: black">One 
example of a valid EXCEL file is:</span></b></p>
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<img border="0" src="imag/excel_img.jpg" width="220" height="274"></p>

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